/Engine/Plugins/Experimental/CineCameraRigs/Source/CineCameraRigs/Public/CineSplineComponent.h
Returns true if there is a spline point at given custom position
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, BlueprintPure, Category="CineSpline") bool FindSplineDataAtPosition ( const float InPosition, int32 & OutIndex, const float Tolerance ) const